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25,000-Year-Old Teeth Reveal One of Humanity’s Oldest Drug Habits
A pair of ancient human teeth has revealed something researchers did not expect to find buried in an Ice Age cave: evidence that people may have been repeatedly using a psychoactive plant thousands of years before agriculture began. The strange discovery came from two sets of human remains found in caves in South Sulawesi. Their…
Ancient Maya Dentists Used Antibiotic Cement to Set Jade Teeth and It Still Holds After 1,000 Years
A tiny piece of green stone is sitting exactly where an ancient Maya dentist put it more than a thousand years ago. The strange part is not only the jade. It is what held it there. Researchers studying Maya dental work have found complex plant-based sealants packed with organic compounds, including substances known for antibacterial…